Mattress Topper - 4 Inch - Breathable Memory Foam - Select High Density by Viscosoft Full

A: Hello Abuelita2, and thank you for your question. You can use the Viscosoft topper on top of your existing one, and it will likely help soften your firm mattress. The high-density foam is designed to contour to your body and relieve pressure points that a firm surface can aggravate. However, keep these points in mind: Stability: Stacking toppers can cause them to shift. Use the adjustable straps on the Viscosoft to secure both layers to the mattress. Support: If your current topper is already soft or sagging, adding another layer on top may cause you to sink too deep, which can lead to back alignment issues. Sheet Fit: Multiple layers will significantly increase the height of your bed, so you may need extra-deep pocket sheets. For the best results, place the firmer topper on the bottom and the Viscosoft on top. If your current topper is worn out, you may find better support by replacing it entirely rather than stacking. Kind regards, Taisiya Viscosoft Support

A: Hello Alison, Yes, a 3” topper can work on a 4” mattress and would bring your total height to approximately 7”, which fits within your travel trailer requirement. We recommend double-checking your mattress dimensions to ensure the topper fits properly, as RV and trailer beds often differ slightly from standard sizes. We do offer RV-friendly options such as Queen Short (74” x 59”) and King Short (74” x 71”), which are commonly used in travel trailers. Choosing the correct size will help prevent overhang or shifting and ensure the best comfort and fit. Please let us know if you’d like help selecting the right size. Kind regards, Taisiya ViscoSoft Support

A: Hello Sleeplover, You can place the topper on your mattress or any flat surface right away. However, we recommend allowing up to 48 hours for it to fully expand, as it arrives vacuum-packed. Some may expand faster, but giving it 1–2 days helps ensure the best comfort and support. Kind regards, Taisiya ViscoSoft Support

A: Hello Jspringator, We do not recommend trimming the topper, as cutting the foam can affect its performance and durability. Instead, we offer special RV-friendly sizes designed for smaller spaces: Queen Short: 74" L x 59" W (available in 2", 3", and 4") King Short: 74" L x 71" W (available in 3" only) These sizes are commonly used in campers and RVs and should be a much better fit. Kind regards, Taisiya ViscoSoft Support

A: Hello Robin, And that's a great question. All our Toppers are CertiPur certified. There are no harmful chemicals, formaldehyde, VOCs, or fiberglass and no fire retardant used on the Topper. It is tested constantly in our factory for quality assurance. If the Topper does not meet a quality standard, it is unable to be distributed. This certification ensures the foam meets strict standards for content, emissions, and durability, making it safe for everyday household use, including on a child’s bed. Kind regards, Taisiya Viscosoft Support

A: Hello Curious! Thank you for your question. None of our products contain fiberglass. I hope this helps. Kind regards, Taisiya Viscosoft Support

A: Hello Peggy. Thank you for your question. Yes, the ViscoSoft Select High Density memory foam topper is compatible with adjustable bases. The flexible memory foam bends smoothly with head and foot adjustments without affecting performance or durability. Kind regards, Taisiya, Viscosoft Support

A: Hello Kris, Thank you for your question. These toppers use high-density memory foam, approximately 3.0 lb/ft³. This density range is designed to balance pressure relief, durability, and breathability, providing consistent support without feeling overly firm. If you have any additional questions you can contact us directly, following the contacts below. Kind Regards, Taisiya Viscosoft Support support@viscosoft.com (844) 888-4726

A: Thank you for your question. A mattress topper can help improve comfort and support on a mattress that feels too soft, but it’s important to set the right expectations. While this topper adds support, it might not feel completely firm—it is still memory foam and will have some natural softness. In general, thicker toppers feel firmer and more supportive: - 4-inch will feel the most supportive and firm of the options - 3-inch provides balanced support and pressure relief - 2-inch offers lighter support and is best for minor adjustments Even though memory foam allows some sink, the added depth increases resistance and support from the foam layers beneath you, which is why thicker options feel firmer overall. This topper is commonly used on foam mattresses that feel too soft and can help improve spinal alignment and pressure relief. That said, if a mattress is significantly sagging or worn out, a topper can improve comfort but cannot fully correct structural issues. We do offer a hassle-free return process, so you can try the topper and see how it works with your mattress. If you have any other questions or would like personalized guidance, please feel free to contact our support team directly. Kind Regards, Taisiya ViscoSoft Support support@viscosoft.com (844) 888-4726

A: Hello Vee, Thank you for your question! Yes, a mattress topper can help support your lower back and reduce pain by redistributing pressure and improving spinal alignment. It is an effective way to adjust a mattress that is currently too hard or slightly worn. Key points for back support: - Thickness: Choose a topper at least 2 inches thick to ensure enough support. - Caution: If your mattress is severely sagging or if the topper is too soft, it may not fix the issue and could potentially worsen alignment. If you struggle choosing the right topper, you can use the 'Topper-Finder' tool on the Viscosoft.com website. Let us know if you need any further guidance. Kind regards, Taisiya ViscoSoft Support